Properties of Muscle Tissue
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Questions and Answers

What does contractility refer to in muscle tissue?

  • The ability to return to original length
  • The ability to respond to a stimulus
  • The ability to forcefully shorten (correct)
  • The ability to stretch without damage
  • Which property of muscle tissue allows it to respond to stimuli from motor neurons or hormones?

  • Contractility
  • Elasticity
  • Excitability (correct)
  • Extensibility
  • What is the role of extensibility in muscle function?

  • To allow muscles to be forcefully shortened
  • To help muscles recoil after stretching
  • To respond to neurological signals
  • To enable muscles to stretch and allow movement (correct)
  • Which property of muscle tissue describes its ability to return to its original length after being stretched?

    <p>Elasticity</p> Signup and view all the answers

    What condition describes a lack of extensibility in muscle tissue?

    <p>Spasticity</p> Signup and view all the answers

    What characterizes the property of contractility in muscle tissue?

    <p>The ability to shorten forcefully.</p> Signup and view all the answers

    What is the consequence of a lack of extensibility in muscle tissue?

    <p>Inability to stretch, leading to spasticity.</p> Signup and view all the answers

    Which of the following best describes the property of elasticity in muscle tissue?

    <p>The muscle's ability to return to its original length after stretching.</p> Signup and view all the answers

    Which property of muscle tissue allows it to respond to motor neuron stimulation?

    <p>Excitability</p> Signup and view all the answers

    What happens when muscles contract according to their properties?

    <p>They can shorten and provide movement by pulling.</p> Signup and view all the answers

    How do extensibility and contractility interact during elbow flexion?

    <p>The extensor muscles must extend to allow the biceps to contract.</p> Signup and view all the answers

    Study Notes

    Properties of Muscle Tissue

    • Contractility: Muscle cells can forcefully shorten, allowing for movement like flexing the elbow. Muscles can only pull, not push.
    • Excitability: Muscles can respond to stimuli, such as those from motor neurons or hormones.
    • Extensibility: Muscles can be stretched, like the elbow extensor muscles extending to allow elbow flexion. Lack of extensibility is called spasticity.
    • Elasticity: Muscles can recoil and return to their original length after being stretched.

    Muscle Tissue Properties

    • Contractility: Muscle cells can forcibly shorten. This allows for movements like flexing the elbow by contracting the biceps brachii muscle. Muscles can only pull, not push.
    • Excitability: Muscles can respond to stimuli. These stimuli can be from motor neurons or hormones.
    • Extensibility: Muscles can be stretched. For example, to flex the elbow, the extensor muscles must extend to allow for the movement. A lack of extensibility is called spasticity.
    • Elasticity: Muscles can bounce back to their original length after being stretched.

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    Description

    Explore the essential properties of muscle tissue, including contractility, excitability, extensibility, and elasticity. This quiz will test your knowledge on how muscles function and adapt to stimuli, contributing to movement and overall physical performance.

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